Home / 10,345.48-15,518.10-2,948.92

Finding the Fourth Proportional to 10,345.48, 15,518.10 and 2,948.92

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Solution

The fourth proportional to 10,345.48, 15,518.10 and 2,948.92 is: 4,423.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.48 : 15,518.10 = 2,948.92 : x
  2. Step 2: Convert to fraction form
    10,345.48/15,518.10 = 2,948.92/x
  3. Step 3: Cross multiply
    10,345.48x = 15,518.10 × 2,948.92
  4. Step 4: Simplify right side
    10,345.48x = 45,761,635.45
  5. Step 5: Solve for x
    x = 45,761,635.45/10,345.48
  6. Step 6: Final answer
    x = 4,423.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.